:root{--color-bg: #0a0a0a;--color-bg-secondary: #111111;--color-surface: #1a1a1a;--color-text: #f0f0f0;--color-text-muted: #888888;--color-accent: #e0e0e0;--color-border: #2a2a2a;--color-highlight: #ffffff;--font-heading: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "JetBrains Mono", "Fira Code", monospace;--size-xs: .75rem;--size-sm: .875rem;--size-base: 1rem;--size-md: 1.125rem;--size-lg: 1.5rem;--size-xl: 2rem;--size-2xl: 3rem;--size-3xl: 4.5rem;--size-4xl: 6rem;--size-hero: clamp(3rem, 8vw, 8rem);--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2rem;--space-xl: 3rem;--space-2xl: 5rem;--space-3xl: 8rem;--space-section: clamp(4rem, 10vh, 8rem);--max-width: 1400px;--gutter: clamp(1.5rem, 4vw, 4rem);--ease-out: cubic-bezier(.16, 1, .3, 1);--ease-in-out: cubic-bezier(.65, 0, .35, 1);--duration-fast: .2s;--duration-base: .4s;--duration-slow: .8s;--z-nav: 100;--z-overlay: 200;--z-modal: 300}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);font-size:var(--size-base);line-height:1.6;color:var(--color-text);background-color:var(--color-bg);overflow-x:hidden}a{color:inherit;text-decoration:none}img,video{max-width:100%;height:auto;display:block}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}ul,ol{list-style:none}h1,h2,h3,h4{font-family:var(--font-heading);font-weight:400;line-height:1.1;letter-spacing:-.02em}.heading-hero{font-size:var(--size-hero);font-weight:300;letter-spacing:-.04em}.heading-lg{font-size:var(--size-3xl)}.heading-md{font-size:var(--size-2xl)}.heading-sm{font-size:var(--size-xl)}.text-muted{color:var(--color-text-muted)}.text-sm{font-size:var(--size-sm)}.text-mono{font-family:var(--font-mono);font-size:var(--size-xs);text-transform:uppercase;letter-spacing:.1em;color:var(--color-text-muted)}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--gutter)}.section{padding:var(--space-section) 0}.page-transition{position:fixed;top:0;right:0;bottom:0;left:0;background:var(--color-bg);z-index:var(--z-overlay);transform:scaleY(1);transform-origin:top;pointer-events:none}[data-animate],[data-animate=fade-up]{opacity:0;transform:translateY(40px)}[data-animate=fade-in]{opacity:0}[data-animate=slide-left]{opacity:0;transform:translate(60px)}[data-animate=slide-right]{opacity:0;transform:translate(-60px)}[data-animate=scale-in]{opacity:0;transform:scale(.95)}::selection{background:var(--color-text);color:var(--color-bg)}html[lang=en] [lang=es],html[lang=es] [lang=en]{display:none!important}.nav__lang{font-size:var(--size-sm);color:var(--color-text);cursor:pointer;opacity:.5;transition:opacity var(--duration-fast) var(--ease-out);position:relative;z-index:10}.nav__lang:hover{opacity:1}